Csah 78 over Coon Creek
FairAnoka County, Minnesota · 0.3 MI S of JCT Csah 16 · Structure no. 02539
- Built
- 1982
- 43 years old, rebuilt 2019
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 67 ft
- 1 main span
- Daily traffic
- 15,741
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 78 over Coon Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 78 over Coon Creek in Anoka County, Minnesota. It was built in 1982 and reconstructed in 2019, so it is 43 years old, older than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 15,741 vehicles a day, roughly 7% of them trucks, projected to reach 25,100 by 2041. The structure is 67 ft (20.3 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 78 over Coon Creek built?
It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2019.
What condition is Csah 78 over Coon Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does Csah 78 over Coon Creek carry?
About 15,741 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is Csah 78 over Coon Creek?
The structure is 67 ft (20.3 m) long with a longest span of 65 ft (19.7 m) and a deck 72 ft wide.
Who owns Csah 78 over Coon Creek?
It is owned by the County Highway Agency.